Even though the levels of arsenic in agrochemicals and fish seem to be much lower than the maximum contaminant levels and may not be significant or toxic when considered individually, it might be postulated that study participants may have been chronically exposed to sub-lethal levels of arsenic with the development of arsenic-resistant parasite strains that might be cross-resistant to antimony therapy [ 46 , 68 , 70 – 75 ].
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Treatment failure to sodium stibogluconate in cutaneous leishmaniasis: A challenge to infection control and disease elimination.
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